XRA1403 Datasheet, PDF (13/16 Pages) Exar Corporation – 16-BIT SPI GPIO EXPANDER WITH RESET INPUT

REV. 1.0.0
FIGURE 5. SPI-BUS TIMING
CS#
TCSH
TCSS
SCLK
SI
TDS
TDH
SO
XRA1403
16-BIT SPI GPIO EXPANDER WITH RESET INPUT
...
TCL
T_CH
...
...
...
TCSH
TCSW
TDO
TTR
FIGURE 6. READ INPUT PORT TO CLEAR GPIO INT
CS#
SCL
SI
1
0
0
A3 A2 A1 A0
X
SO
INT#
D7 D6 D5 D4 D3 D2 D1 D0
TD13
13